<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>AzTools</title>
</head>
<body>
    <h1>Hello AzTools</h1>
    <main>
        <div>
            <fieldset>
                <legend>选择需要控制的设备类型</legend>
                <ul>
                    <li>
                        <a href="./device/gpio_output.html">数字开关量输出设备</a>
                    </li>
                </ul>
            </fieldset> 
        </div>
    </main>
    
</body>
</html>